Wisconsin Submarines One of Wisconsin's major contributions to the war effort during the Second World War was the construction of fleet submarines. Starting in 1941 with the USS Peto (SS-265) Manitowoc Shipbuilding Company constructed 28 fleet submarines for the war. See also Wisconsin Built Subchasers. Initially, Manitowoc shipbuilding was tapped by the Navy to construct destroyers however, … Continue reading Wisconsin’s First Submarine: The Raddatz Submarine
